Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a segunda perna quando a equipe #1 é o Rubin Kazan?
 ###Tabelas: CREATE TABLE core_i7 (core_i7_id AUTO_INCREMENT PRIMARY KEY, Codename (main article) VARCHAR, Brand name (list) VARCHAR, Cores INT, L3 Cache VARCHAR, Socket VARCHAR, TDP VARCHAR, Process VARCHAR, I/O Bus VARCHAR, Release Date VARCHAR) CREATE TABLE mt_and_cr_series_models (mt_and_cr_series_models_id AUTO_INCREMENT PRIMARY KEY, Colt model no. VARCHAR, Name VARCHAR, Stock VARCHAR, Fire control VARCHAR, Rear sight VARCHAR, Forward assist VARCHAR, Case deflector VARCHAR, Barrel length VARCHAR, Barrel profile VARCHAR, Barrel twist VARCHAR, Hand guards VARCHAR, Bayonet Lug VARCHAR, Muzzle device VARCHAR) CREATE TABLE girls_league_championships (girls_league_championships_id AUTO_INCREMENT PRIMARY KEY, School Year VARCHAR, Volleyball VARCHAR, Cross Country VARCHAR, Soccer VARCHAR, Tennis VARCHAR, Golf VARCHAR, Basketball VARCHAR, Swimming VARCHAR, Softball VARCHAR, Track & Field VARCHAR) CREATE TABLE list_of_champions (list_of_champions_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Champion VARCHAR, Runner-Up VARCHAR, 3rd Place VARCHAR, Location VARCHAR) CREATE TABLE belarusian_clubs_in_euporean_cups (belarusian_clubs_in_euporean_cups_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, Team #1 VARCHAR, Agg. VARCHAR, Team #2 VARCHAR, 1st leg VARCHAR, 2nd leg VARCHAR)  
SELECT 2nd leg FROM belarusian_clubs_in_euporean_cups WHERE Team #1 = rubin kazan